validation: assert that pindexPrev is non-null when required

kallewoof · Nov 29, 2018 · fbaaf78 · fbaaf78
1 parent 60b20c8
commit fbaaf78
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/validation.cpp b/src/validation.cpp
@@ -3267,6 +3267,7 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c
     // Start enforcing BIP113 (Median Time Past) using versionbits logic.
     int nLockTimeFlags = 0;
     if (VersionBitsState(pindexPrev, consensusParams, Consensus::DEPLOYMENT_CSV, versionbitscache) == ThresholdState::ACTIVE) {
+        assert(pindexPrev != nullptr);
         nLockTimeFlags |= LOCKTIME_MEDIAN_TIME_PAST;
     }